Files
macos-stats/StatsKit/helpers.swift
2021-05-27 21:51:27 +02:00

861 lines
27 KiB
Swift

//
// helpers.swift
// StatsKit
//
// Created by Serhiy Mytrovtsiy on 29/09/2020.
// Using Swift 5.0.
// Running on macOS 10.15.
//
// Copyright © 2020 Serhiy Mytrovtsiy. All rights reserved.
//
// swiftlint:disable file_length
import Cocoa
import os.log
public protocol KeyValue_p {
var key: String { get }
var value: String { get }
var additional: Any? { get }
}
public struct KeyValue_t: KeyValue_p {
public let key: String
public let value: String
public let additional: Any?
public init(key: String, value: String, additional: Any? = nil) {
self.key = key
self.value = value
self.additional = additional
}
}
public struct Units {
public let bytes: Int64
public init(bytes: Int64) {
self.bytes = bytes
}
public var kilobytes: Double {
return Double(bytes) / 1_024
}
public var megabytes: Double {
return kilobytes / 1_024
}
public var gigabytes: Double {
return megabytes / 1_024
}
public var terabytes: Double {
return gigabytes / 1_024
}
public func getReadableTuple(base: DataSizeBase = .byte) -> (String, String) {
let stringBase = base == .byte ? "B" : "b"
let multiplier: Double = base == .byte ? 1 : 8
switch bytes {
case 0..<1_024:
return ("0", "K\(stringBase)/s")
case 1_024..<(1_024 * 1_024):
return (String(format: "%.0f", kilobytes*multiplier), "K\(stringBase)/s")
case 1_024..<(1_024 * 1_024 * 100):
return (String(format: "%.1f", megabytes*multiplier), "M\(stringBase)/s")
case (1_024 * 1_024 * 100)..<(1_024 * 1_024 * 1_024):
return (String(format: "%.0f", megabytes*multiplier), "M\(stringBase)/s")
case (1_024 * 1_024 * 1_024)...Int64.max:
return (String(format: "%.1f", gigabytes*multiplier), "G\(stringBase)/s")
default:
return (String(format: "%.0f", kilobytes*multiplier), "K\(stringBase)B/s")
}
}
public func getReadableSpeed(base: DataSizeBase = .byte, omitUnits: Bool = false) -> String {
let stringBase = base == .byte ? "B" : "b"
let multiplier: Double = base == .byte ? 1 : 8
switch bytes*Int64(multiplier) {
case 0..<1_024:
let unit = omitUnits ? "" : " K\(stringBase)/s"
return "0\(unit)"
case 1_024..<(1_024 * 1_024):
let unit = omitUnits ? "" : " K\(stringBase)/s"
return String(format: "%.0f\(unit)", kilobytes*multiplier)
case 1_024..<(1_024 * 1_024 * 100):
let unit = omitUnits ? "" : " M\(stringBase)/s"
return String(format: "%.1f\(unit)", megabytes*multiplier)
case (1_024 * 1_024 * 100)..<(1_024 * 1_024 * 1_024):
let unit = omitUnits ? "" : " M\(stringBase)/s"
return String(format: "%.0f\(unit)", megabytes*multiplier)
case (1_024 * 1_024 * 1_024)...Int64.max:
let unit = omitUnits ? "" : " G\(stringBase)/s"
return String(format: "%.1f\(unit)", gigabytes*multiplier)
default:
let unit = omitUnits ? "" : " K\(stringBase)/s"
return String(format: "%.0f\(unit)", kilobytes*multiplier)
}
}
public func getReadableMemory() -> String {
switch bytes {
case 0..<1_024:
return "0 KB"
case 1_024..<(1_024 * 1_024):
return String(format: "%.0f KB", kilobytes)
case 1_024..<(1_024 * 1_024 * 1_024):
return String(format: "%.0f MB", megabytes)
case 1_024..<(1_024 * 1_024 * 1_024 * 1_024):
return String(format: "%.2f GB", gigabytes)
case (1_024 * 1_024 * 1_024 * 1_024)...Int64.max:
return String(format: "%.2f TB", terabytes)
default:
return String(format: "%.0f KB", kilobytes)
}
}
}
public struct DiskSize {
public let value: Int64
public init(_ size: Int64) {
self.value = size
}
public var kilobytes: Double {
return Double(value) / 1_000
}
public var megabytes: Double {
return kilobytes / 1_000
}
public var gigabytes: Double {
return megabytes / 1_000
}
public var terabytes: Double {
return gigabytes / 1_000
}
public func getReadableMemory() -> String {
switch value {
case 0..<1_000:
return "0 KB"
case 1_000..<(1_000 * 1_000):
return String(format: "%.0f KB", kilobytes)
case 1_000..<(1_000 * 1_000 * 1_000):
return String(format: "%.0f MB", megabytes)
case 1_000..<(1_000 * 1_000 * 1_000 * 1_000):
return String(format: "%.2f GB", gigabytes)
case (1_000 * 1_000 * 1_000 * 1_000)...Int64.max:
return String(format: "%.2f TB", terabytes)
default:
return String(format: "%.0f KB", kilobytes)
}
}
}
public class LabelField: NSTextField {
public init(frame: NSRect, _ label: String = "") {
super.init(frame: frame)
self.isEditable = false
self.isSelectable = false
self.isBezeled = false
self.wantsLayer = true
self.backgroundColor = .clear
self.canDrawSubviewsIntoLayer = true
self.stringValue = label
self.textColor = .secondaryLabelColor
self.alignment = .natural
self.font = NSFont.systemFont(ofSize: 12, weight: .regular)
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
}
public class ValueField: NSTextField {
public init(frame: NSRect, _ value: String = "") {
super.init(frame: frame)
self.isEditable = false
self.isSelectable = false
self.isBezeled = false
self.wantsLayer = true
self.backgroundColor = .clear
self.canDrawSubviewsIntoLayer = true
self.stringValue = value
self.textColor = .textColor
self.alignment = .right
self.font = NSFont.systemFont(ofSize: 13, weight: .regular)
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
}
public extension NSBezierPath {
func addArrow(start: CGPoint, end: CGPoint, pointerLineLength: CGFloat, arrowAngle: CGFloat) {
self.move(to: start)
self.line(to: end)
let startEndAngle = atan((end.y - start.y) / (end.x - start.x)) + ((end.x - start.x) < 0 ? CGFloat(Double.pi) : 0)
let arrowLine1 = CGPoint(
x: end.x + pointerLineLength * cos(CGFloat(Double.pi) - startEndAngle + arrowAngle),
y: end.y - pointerLineLength * sin(CGFloat(Double.pi) - startEndAngle + arrowAngle)
)
let arrowLine2 = CGPoint(
x: end.x + pointerLineLength * cos(CGFloat(Double.pi) - startEndAngle - arrowAngle),
y: end.y - pointerLineLength * sin(CGFloat(Double.pi) - startEndAngle - arrowAngle)
)
self.line(to: arrowLine1)
self.move(to: end)
self.line(to: arrowLine2)
}
}
public func separatorView(_ title: String, origin: NSPoint, width: CGFloat) -> NSView {
let view: NSView = NSView(frame: NSRect(x: origin.x, y: origin.y, width: width, height: 30))
view.heightAnchor.constraint(equalToConstant: view.bounds.height).isActive = true
let labelView: NSTextField = TextView(frame: NSRect(x: 0, y: (view.frame.height-15)/2, width: view.frame.width, height: 15))
labelView.stringValue = title
labelView.alignment = .center
labelView.textColor = .secondaryLabelColor
labelView.font = NSFont.systemFont(ofSize: 12, weight: .medium)
labelView.stringValue = title
view.addSubview(labelView)
return view
}
public func popupRow(_ view: NSView, n: CGFloat = 0, title: String, value: String) -> (LabelField, ValueField) {
let rowView: NSView = NSView(frame: NSRect(x: 0, y: 22*n, width: view.frame.width, height: 22))
let labelWidth = title.widthOfString(usingFont: .systemFont(ofSize: 13, weight: .regular)) + 4
let labelView: LabelField = LabelField(frame: NSRect(x: 0, y: (22-15)/2, width: labelWidth, height: 15), title)
let valueView: ValueField = ValueField(frame: NSRect(x: labelWidth, y: (22-15)/2, width: rowView.frame.width - labelWidth, height: 16), value)
rowView.addSubview(labelView)
rowView.addSubview(valueView)
if let view = view as? NSStackView {
rowView.heightAnchor.constraint(equalToConstant: rowView.bounds.height).isActive = true
view.addArrangedSubview(rowView)
} else {
view.addSubview(rowView)
}
return (labelView, valueView)
}
public func popupWithColorRow(_ view: NSView, color: NSColor, n: CGFloat, title: String, value: String) -> ValueField {
let rowView: NSView = NSView(frame: NSRect(x: 0, y: 22*n, width: view.frame.width, height: 22))
let colorView: NSView = NSView(frame: NSRect(x: 2, y: 5, width: 12, height: 12))
colorView.wantsLayer = true
colorView.layer?.backgroundColor = color.cgColor
colorView.layer?.cornerRadius = 2
let labelWidth = title.widthOfString(usingFont: .systemFont(ofSize: 13, weight: .regular)) + 5
let labelView: LabelField = LabelField(frame: NSRect(x: 18, y: (22-15)/2, width: labelWidth, height: 15), title)
let valueView: ValueField = ValueField(frame: NSRect(x: 18 + labelWidth, y: (22-16)/2, width: rowView.frame.width - labelWidth - 18, height: 16), value)
rowView.addSubview(colorView)
rowView.addSubview(labelView)
rowView.addSubview(valueView)
if let view = view as? NSStackView {
rowView.heightAnchor.constraint(equalToConstant: rowView.bounds.height).isActive = true
view.addArrangedSubview(rowView)
} else {
view.addSubview(rowView)
}
return valueView
}
public extension Array where Element: Equatable {
func allEqual() -> Bool {
if let firstElem = first {
return !dropFirst().contains { $0 != firstElem }
}
return true
}
}
public extension Array where Element: Hashable {
func difference(from other: [Element]) -> [Element] {
let thisSet = Set(self)
let otherSet = Set(other)
return Array(thisSet.symmetricDifference(otherSet))
}
}
public func findAndToggleNSControlState(_ view: NSView?, state: NSControl.StateValue) {
if let control = view?.subviews.first(where: { $0 is NSControl }) {
toggleNSControlState(control as? NSControl, state: state)
}
}
public func findAndToggleEnableNSControlState(_ view: NSView?, state: Bool) {
if let control = view?.subviews.first(where: { $0 is NSControl }) {
toggleEnableNSControlState(control as? NSControl, state: state)
}
}
public func toggleNSControlState(_ control: NSControl?, state: NSControl.StateValue) {
if #available(OSX 10.15, *) {
if let checkbox = control as? NSSwitch {
checkbox.state = state
}
} else {
if let checkbox = control as? NSButton {
checkbox.state = state
}
}
}
public func toggleEnableNSControlState(_ control: NSControl?, state: Bool) {
if #available(OSX 10.15, *) {
if let checkbox = control as? NSSwitch {
checkbox.isEnabled = state
}
} else {
if let checkbox = control as? NSButton {
checkbox.isEnabled = state
}
}
}
public func dialogOKCancel(question: String, text: String) {
let alert = NSAlert()
alert.messageText = question
alert.informativeText = text
alert.alertStyle = .warning
alert.addButton(withTitle: "OK")
alert.addButton(withTitle: "Cancel")
alert.runModal()
}
public func asyncShell(_ args: String) {
let task = Process()
task.launchPath = "/bin/sh"
task.arguments = ["-c", args]
let pipe = Pipe()
task.standardOutput = pipe
task.launch()
}
public func syncShell(_ args: String) -> String {
let task = Process()
task.launchPath = "/bin/sh"
task.arguments = ["-c", args]
let pipe = Pipe()
task.standardOutput = pipe
task.launch()
task.waitUntilExit()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8)!
return output
}
public func isNewestVersion(currentVersion: String, latestVersion: String) -> Bool {
let currentNumber = currentVersion.replacingOccurrences(of: "v", with: "")
let latestNumber = latestVersion.replacingOccurrences(of: "v", with: "")
let currentArray = currentNumber.condenseWhitespace().split(separator: ".")
let latestArray = latestNumber.condenseWhitespace().split(separator: ".")
var current = Version(major: Int(currentArray[0]) ?? 0, minor: Int(currentArray[1]) ?? 0, patch: Int(currentArray[2]) ?? 0)
var latest = Version(major: Int(latestArray[0]) ?? 0, minor: Int(latestArray[1]) ?? 0, patch: Int(latestArray[2]) ?? 0)
if let patch = currentArray.last, patch.contains("-") {
let arr = patch.split(separator: "-")
if let patchNumber = arr.first {
current.patch = Int(patchNumber) ?? 0
}
if let beta = arr.last {
current.beta = Int(beta.replacingOccurrences(of: "beta", with: "")) ?? 0
}
}
if let patch = latestArray.last, patch.contains("-") {
let arr = patch.split(separator: "-")
if let patchNumber = arr.first {
latest.patch = Int(patchNumber) ?? 0
}
if let beta = arr.last {
latest.beta = Int(beta.replacingOccurrences(of: "beta", with: "")) ?? 0
}
}
// current is not beta + latest is not beta
if current.beta == nil && latest.beta == nil {
if latest.major > current.major {
return true
}
if latest.minor > current.minor && latest.major >= current.major {
return true
}
if latest.patch > current.patch && latest.minor >= current.minor && latest.major >= current.major {
return true
}
}
// current version is beta + last version is not beta
if current.beta != nil && latest.beta == nil {
if latest.major > current.major {
return true
}
if latest.minor > current.minor && latest.major >= current.major {
return true
}
if latest.patch >= current.patch && latest.minor >= current.minor && latest.major >= current.major {
return true
}
}
// current version is beta + last version is beta
if current.beta != nil && latest.beta != nil {
if latest.major > current.major {
return true
}
if latest.minor > current.minor && latest.major >= current.major {
return true
}
if latest.patch >= current.patch && latest.minor >= current.minor && latest.major >= current.major {
return true
}
if latest.beta! > current.beta! && latest.patch >= current.patch && latest.minor >= current.minor && latest.major >= current.major {
return true
}
}
return false
}
public func showNotification(title: String, subtitle: String? = nil, text: String? = nil, id: String = UUID().uuidString, icon: NSImage? = nil) -> NSUserNotification {
let notification = NSUserNotification()
notification.identifier = id
notification.title = title
notification.subtitle = subtitle
notification.informativeText = text
notification.soundName = NSUserNotificationDefaultSoundName
notification.hasActionButton = false
if icon != nil {
notification.setValue(icon, forKey: "_identityImage")
}
NSUserNotificationCenter.default.deliver(notification)
return notification
}
public struct TopProcess {
public var pid: Int
public var command: String
public var name: String?
public var usage: Double
public var icon: NSImage?
public init(pid: Int, command: String, name: String?, usage: Double, icon: NSImage?) {
self.pid = pid
self.command = command
self.name = name
self.usage = usage
self.icon = icon
}
}
public func getIOParent(_ obj: io_registry_entry_t) -> io_registry_entry_t? {
var parent: io_registry_entry_t = 0
if IORegistryEntryGetParentEntry(obj, kIOServicePlane, &parent) != KERN_SUCCESS {
return nil
}
if IOObjectConformsTo(parent, "IOBlockStorageDriver") == 0 {
IOObjectRelease(parent)
return nil
}
return parent
}
public func fetchIOService(_ name: String) -> [NSDictionary]? {
var iterator: io_iterator_t = io_iterator_t()
var obj: io_registry_entry_t = 1
var list: [NSDictionary] = []
let result = IOServiceGetMatchingServices(kIOMasterPortDefault, IOServiceMatching(name), &iterator)
if result == kIOReturnSuccess {
while obj != 0 {
obj = IOIteratorNext(iterator)
if let props = getIOProperties(obj) {
list.append(props)
}
IOObjectRelease(obj)
}
IOObjectRelease(iterator)
}
return list.isEmpty ? nil : list
}
public func getIOProperties(_ entry: io_registry_entry_t) -> NSDictionary? {
var properties: Unmanaged<CFMutableDictionary>? = nil
if IORegistryEntryCreateCFProperties(entry, &properties, kCFAllocatorDefault, 0) != kIOReturnSuccess {
return nil
}
defer {
properties?.release()
}
return properties?.takeUnretainedValue()
}
public class ColorView: NSView {
public var inactiveColor: NSColor = NSColor.lightGray.withAlphaComponent(0.75)
private let color: NSColor
private var state: Bool
public init(frame: NSRect, color: NSColor, state: Bool = false, radius: CGFloat = 2) {
self.color = color
self.state = state
super.init(frame: frame)
self.wantsLayer = true
self.layer?.backgroundColor = (state ? self.color : inactiveColor).cgColor
self.layer?.cornerRadius = radius
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
public func setState(_ newState: Bool) {
if newState != state {
self.layer?.backgroundColor = (newState ? self.color : inactiveColor).cgColor
self.state = newState
}
}
}
public struct Log: TextOutputStream {
public static var log: Log = Log()
public func write(_ string: String) {
let fm = FileManager.default
let log = fm.urls(for: .documentDirectory, in: .userDomainMask)[0].appendingPathComponent("log.txt")
if let handle = try? FileHandle(forWritingTo: log) {
handle.seekToEndOfFile()
handle.write(string.data(using: .utf8)!)
handle.closeFile()
} else {
try? string.data(using: .utf8)?.write(to: log)
}
}
}
public func localizedString(_ key: String, _ params: String..., comment: String = "") -> String {
var string = NSLocalizedString(key, comment: comment)
if !params.isEmpty {
for (index, param) in params.enumerated() {
string = string.replacingOccurrences(of: "%\(index)", with: param)
}
}
return string
}
extension UnitTemperature {
static var current: UnitTemperature {
let measureFormatter = MeasurementFormatter()
let measurement = Measurement(value: 0, unit: UnitTemperature.celsius)
return measureFormatter.string(from: measurement).hasSuffix("C") ? .celsius : .fahrenheit
}
}
// swiftlint:disable identifier_name
public func Temperature(_ value: Double) -> String {
let stringUnit: String = Store.shared.string(key: "temperature_units", defaultValue: "system")
let formatter = MeasurementFormatter()
formatter.locale = Locale.init(identifier: "en_US")
formatter.numberFormatter.maximumFractionDigits = 0
formatter.unitOptions = .providedUnit
var measurement = Measurement(value: value, unit: UnitTemperature.celsius)
if stringUnit == "system" {
measurement.convert(to: UnitTemperature.current)
} else {
if let temperatureUnit = TemperatureUnits.first(where: { $0.key == stringUnit }) {
if let unit = temperatureUnit.additional as? UnitTemperature {
measurement.convert(to: unit)
}
}
}
return formatter.string(from: measurement)
}
public func sysctlByName(_ name: String) -> Int64 {
var num: Int64 = 0
var size = MemoryLayout<Int64>.size
if sysctlbyname(name, &num, &size, nil, 0) != 0 {
print(POSIXError.Code(rawValue: errno).map { POSIXError($0) } ?? CocoaError(.fileReadUnknown))
}
return num
}
public class ProcessView: NSView {
public var width: CGFloat {
get { return 0 }
set {
self.setFrameSize(NSSize(width: newValue, height: self.frame.height))
}
}
public var icon: NSImage? {
get { return NSImage() }
set {
self.imageView?.image = newValue
}
}
public var label: String {
get { return "" }
set {
self.labelView?.stringValue = newValue
}
}
public var value: String {
get { return "" }
set {
self.valueView?.stringValue = newValue
}
}
private var imageView: NSImageView? = nil
private var labelView: LabelField? = nil
private var valueView: ValueField? = nil
public init(_ n: CGFloat) {
super.init(frame: NSRect(x: 0, y: n*22, width: 264, height: 16))
let rowView: NSView = NSView(frame: NSRect(x: 0, y: 0, width: self.frame.width, height: 16))
let imageView: NSImageView = NSImageView(frame: NSRect(x: 2, y: 2, width: 12, height: 12))
let labelView: LabelField = LabelField(frame: NSRect(x: 18, y: 0.5, width: rowView.frame.width - 70 - 18, height: 15), "")
let valueView: ValueField = ValueField(frame: NSRect(x: 18 + labelView.frame.width, y: 0, width: 70, height: 16), "")
rowView.addSubview(imageView)
rowView.addSubview(labelView)
rowView.addSubview(valueView)
self.imageView = imageView
self.labelView = labelView
self.valueView = valueView
self.addSubview(rowView)
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
public func attachProcess(_ process: TopProcess) {
self.label = process.name != nil ? process.name! : process.command
self.icon = process.icon
self.toolTip = "pid: \(process.pid)"
}
public func clear() {
self.label = ""
self.value = ""
self.icon = nil
self.toolTip = ""
}
}
public class CAText: CATextLayer {
public init(fontSize: CGFloat = 12, weight: NSFont.Weight = .regular) {
super.init()
self.font = NSFont.systemFont(ofSize: fontSize, weight: weight)
self.fontSize = fontSize
self.allowsFontSubpixelQuantization = true
self.contentsScale = NSScreen.main?.backingScaleFactor ?? 1
self.rasterizationScale = NSScreen.main?.backingScaleFactor ?? 1
self.foregroundColor = NSColor.textColor.cgColor
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
public override init(layer: Any) {
super.init(layer: layer)
}
public func getWidth(add: CGFloat = 0) -> CGFloat {
let value = self.string as? String ?? ""
return value.widthOfString(usingFont: self.font as! NSFont).rounded(.up) + add
}
}
public class WidgetLabelView: NSView {
private var title: String
public init(_ title: String, height: CGFloat) {
self.title = title
super.init(frame: NSRect(
x: 0,
y: 0,
width: 6,
height: height
))
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
public override func draw(_ dirtyRect: NSRect) {
super.draw(dirtyRect)
let style = NSMutableParagraphStyle()
style.alignment = .center
let stringAttributes = [
NSAttributedString.Key.font: NSFont.systemFont(ofSize: 7, weight: .regular),
NSAttributedString.Key.foregroundColor: NSColor.textColor,
NSAttributedString.Key.paragraphStyle: style
]
let title = self.title.prefix(3)
let letterHeight = self.frame.height / 3
let letterWidth: CGFloat = self.frame.height / CGFloat(title.count)
var yMargin: CGFloat = 0
for char in title.uppercased().reversed() {
let rect = CGRect(x: 0, y: yMargin, width: letterWidth, height: letterHeight-1)
let str = NSAttributedString.init(string: "\(char)", attributes: stringAttributes)
str.draw(with: rect)
yMargin += letterHeight
}
}
}
public func isRoot() -> Bool {
return getuid() == 0
}
public func ensureRoot() {
if isRoot() {
return
}
let pwd = Bundle.main.bundleURL.absoluteString.replacingOccurrences(of: "file://", with: "")
guard let script = NSAppleScript(source: "do shell script \"\(pwd)/Contents/MacOS/Stats > /dev/null 2>&1 &\" with administrator privileges") else {
return
}
var err: NSDictionary? = nil
script.executeAndReturnError(&err)
if err != nil {
print("cannot run script as root: \(String(describing: err))")
return
}
NSApp.terminate(nil)
return
}
public func process(path: String, arguments: [String]) -> String? {
let task = Process()
task.launchPath = path
task.arguments = arguments
let outputPipe = Pipe()
defer {
outputPipe.fileHandleForReading.closeFile()
}
task.standardOutput = outputPipe
do {
try task.run()
} catch let error {
os_log(.error, log: .default, "system_profiler SPMemoryDataType: %s", "\(error.localizedDescription)")
return nil
}
let outputData = outputPipe.fileHandleForReading.readDataToEndOfFile()
let output = String(decoding: outputData, as: UTF8.self)
if output.isEmpty {
return nil
}
return output
}
public class SettingsContainerView: NSStackView {
public init(width: CGFloat) {
super.init(frame: NSRect(
x: Constants.Settings.margin,
y: 0,
width: width - (Constants.Settings.margin*2),
height: 0
))
self.orientation = .vertical
self.distribution = .gravityAreas
self.edgeInsets = NSEdgeInsets(
top: Constants.Settings.margin,
left: Constants.Settings.margin,
bottom: Constants.Settings.margin,
right: Constants.Settings.margin
)
self.spacing = Constants.Settings.margin
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
private func resize() {
let h = self.arrangedSubviews.map({ $0.bounds.height + self.spacing }).reduce(0, +) - self.spacing + self.edgeInsets.top + self.edgeInsets.bottom
if self.frame.size.height != h {
self.setFrameSize(NSSize(width: self.bounds.width, height: h))
}
}
public override func addArrangedSubview(_ view: NSView) {
super.addArrangedSubview(view)
self.resize()
}
}